Aptitude Question:
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A, B and C start at the same direction to run around a circular stadium. A completes a round in 252 sec, B in 308 sec and C in 198 sec, all starting at the same point. After what time will they meet again at the starting point?
a)26min 18sec
b)42min 36sec
c)45min
d)46min 12 sec

Answer:

The answer is the L.C.M of 252, 308, 198
=2772=46 min 12 sec

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